Poprawki bugów; cleanup i restrukturyzacja kodu

src/main.ts

@@ -1,4 +1,24 @@
 import { createApp } from "vue";
 import App from "./App.vue";
 
-createApp(App).mount("#app");
+import { ICargo, ICarWagon, ILocomotive, IStock, IStore } from "./types";
+import { reactive } from "@vue/reactivity";
+
+const Store: IStore = reactive({
+    chosenCar: null as ICarWagon | null,
+    chosenLoco: null as ILocomotive | null,
+    chosenCargo: null as ICargo | null,
+
+    showSupporter: false,
+    imageLoading: false,
+
+    chosenLocoPower: "loco-e",
+    chosenCarUseType: "car-passenger",
+
+    stockList: [] as IStock[],
+    cargoOptions: [] as any[][],
+})
+
+createApp(App)
+    .provide('Store', Store)
+    .mount("#app");